<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
  <script>
    function printInfo (name, gender='man', ...args) {
  console.log(name)
  console.log(gender)
  console.log(args)
}

printInfo('小红', 'woman', 1, 2, 3)  // 小红 woman [1, 2, 3]
printInfo('小红', 1, 2, 3)  // 小红 1 [2, 3]
  </script>
</body>
</html>